Home / 4,287,140,427.36-6,429,997,378.15-1,298,492,952.20

Finding the Fourth Proportional to 4,287,140,427.36, 6,429,997,378.15 and 1,298,492,952.20

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Solution

The fourth proportional to 4,287,140,427.36, 6,429,997,378.15 and 1,298,492,952.20 is: 1,947,523,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,140,427.36 : 6,429,997,378.15 = 1,298,492,952.20 : x
  2. Step 2: Convert to fraction form
    4,287,140,427.36/6,429,997,378.15 = 1,298,492,952.20/x
  3. Step 3: Cross multiply
    4,287,140,427.36x = 6,429,997,378.15 × 1,298,492,952.20
  4. Step 4: Simplify right side
    4,287,140,427.36x = 8,349,306,278,181,292,032
  5. Step 5: Solve for x
    x = 8,349,306,278,181,292,032/4,287,140,427.36
  6. Step 6: Final answer
    x = 1,947,523,394.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.